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E1 is the first [[Special:MyLanguage/Template:Polyphasic Sleep Schedules|schedule]] in the [[Special:MyLanguage/Everyman|Everyman]] line, which contains a long [[Special:MyLanguage/Cores|core]], usually with a length of 6 hours, and a short [[Special:MyLanguage/Naps|nap]]. However, E1 is mostly known as a [[Special:MyLanguage/biphasic|biphasic]] schedule, rather than an Everyman schedule because it only has two sleeps, and the overall mechanism resembles [[Special:MyLanguage/Siesta|Siesta]].<ref>Puredoxyk (2013). ''Ubersleep: Nap-Based Sleep Schedules and the Polyphasic Lifestyle''.</ref>

E1 is the first [[Special:MyLanguage/Template:Polyphasic Sleep Schedules|schedule]] in the [[Special:MyLanguage/Everyman|Everyman]] line, which contains a long [[Special:MyLanguage/Cores|core]], usually with a length of 6 hours, and a short [[Special:MyLanguage/Naps|nap]]. However, E1 is mostly known as a [[Special:MyLanguage/biphasic|biphasic]] schedule, rather than an Everyman schedule because it only has two sleeps, and the overall mechanism resembles [[Special:MyLanguage/Siesta|Siesta]].<ref name="pd" />

== Origin== <!--T:2-->

== Origin== <!--T:2-->

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It was originally thought that the nap on E1 should primarily contain REM to ensure a successful adaptation. However, according to the Polyphasic Survey 2018<ref>https://polyphasic.net/wp-content/uploads/2019/03/Polysurvey-2018-results-and-analysis.pdf</ref>, only 50% of adapted E1 sleepers managed to get REM in their nap. This shows that the afternoon nap is not guaranteed to deliver REM sleep. Based on the data above, it still seems possible to complete the adaptation to E1 with no REM in the nap. This is likely a result of those adaptees covering their REM need by their core, leaving their nap as just wakefulness sustainment.

It was originally thought that the nap on E1 should primarily contain REM to ensure a successful adaptation. However, according to the Polyphasic Survey 2018<ref name="polysurvey" />, only 50% of adapted E1 sleepers managed to get REM in their nap. This shows that the afternoon nap is not guaranteed to deliver REM sleep. Based on the data above, it still seems possible to complete the adaptation to E1 with no REM in the nap. This is likely a result of those adaptees covering their REM need by their core, leaving their nap as just wakefulness sustainment.

==Adaptation== <!--T:7-->

==Adaptation== <!--T:7-->

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[[File:E1 6.5h core 2.png|right|thumb|6.5h Core]]

[[File:E1 6.5h core 2.png|right|thumb|6.5h Core]]

Recently, this 6.5 hour core variant has been proposed<ref>GeneralNguyen (2020). [https://www.reddit.com/r/polyphasic/comments/hwb83v/the_dilemma_with_everyman_1_from_a_community/ The Dilemma with Everyman 1 from a Community Standpoint & A New Experimental Proposal]. Retrieved 07-12-2020.</ref> and has been showing promising results, though only few sleepers have attempted this variant. With the idea that SWS mostly occurs in the first half of the night and REM dominates the second half after the 6h mark (which is the end of the default E1 core), there should be very little SWS by the 6.5 hour mark. This will allow for more REM sleep and/or NREM2 in the core, which may boost alertness and provide a better opportunity to match personal REM baseline on monophasic.  

Recently, this 6.5 hour core variant has been proposed<ref name="gn" /> and has been showing promising results, though only few sleepers have attempted this variant. With the idea that SWS mostly occurs in the first half of the night and REM dominates the second half after the 6h mark (which is the end of the default E1 core), there should be very little SWS by the 6.5 hour mark. This will allow for more REM sleep and/or NREM2 in the core, which may boost alertness and provide a better opportunity to match personal REM baseline on monophasic.  

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<references />

<ref name="gn">{{cite web |url=https://www.reddit.com/r/polyphasic/comments/hwb83v/the_dilemma_with_everyman_1_from_a_community/ |title=The Dilemma with Everyman 1 from a Community Standpoint & A New Experimental Proposal |last=GeneralNguyen |date=2020 |access-date=2020-12-07}}</ref>

[[Category:Schedules]]

[[Category:Schedules]]

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